function b(){
	h = $(window).height();
	t = $(document).scrollTop();
	if(t > h){
		$('#gotop').show();
	}else{
		$('#gotop').hide();
	}
}
$(document).ready(function(e) {
	b();
	$('#gotop').click(function(){
		$(document).scrollTop(0);	
	})
	$('#code').hover(function(){
			$(this).attr('id','code_hover');
			$('#code_img').show();
		},function(){
			$(this).attr('id','code');
			$('#code_img').hide();
	})
	
});

$(window).scroll(function(e){
	b();		
})


function isMobileBrowser(){
    var result=false;
    var sUserAgent= navigator.userAgent.toLowerCase();  
    var bIsIpad= sUserAgent.match(/ipad/i) == "ipad";  
    var bIsIphoneOs= sUserAgent.match(/iphone os/i) == "iphone os";  
    var bIsMidp= sUserAgent.match(/midp/i) == "midp";  
    var bIsUc7= sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";  
    var bIsUc= sUserAgent.match(/ucweb/i) == "ucweb";  
    var bIsAndroid= sUserAgent.match(/android/i) == "android";  
    var bIsCE= sUserAgent.match(/windows ce/i) == "windows ce";  
    var bIsWM= sUserAgent.match(/windows mobile/i) == "windows mobile";
    if(bIsIpad||(window.screen.height>=768&&window.screen.width>=1024)){
        result=false;
    }
    else if (bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {  
        result=true; 
    }
    else
    {  
        result=false;
    }
    return result;
}

if(isMobileBrowser()){
    var currentHref=location.href;
    if(/\/ny\d+\/?$/gi.test(currentHref)||/\/ny\d+\/\d+\.html$/gi.test(currentHref)){
	   currentHref=currentHref.replace("www.","m.");
	}
	else{
	    currentHref="http://m.gujin.cf";//todo
	}
	if(location.href.indexOf("m.") >0){//当前已经含有m 则不调转
        location.href=currentHref;
    }
}